Airspace Review of Hamilton Island - July 2009 - Trim Ref: ED09/60075 File Ref: EF09/3472
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Office of Airspace Regulation Page 2 of 39 DOCUMENT SPONSOR: Office of Airspace Regulation (OAR) Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 3 of 39 Contents 1. INTRODUCTION .................................................................................................. 4 1.1 Overview of Australian Airspace ............................................................. 4 1.2 Purpose................................................................................................... 4 1.3 Scope ...................................................................................................... 4 1.4 Objective ................................................................................................. 5 2. AIRSPACE ......................................................................................................... 6 3. AERODROME AND INFRASTRUCTURE ................................................................... 7 3.1 Background ............................................................................................. 7 3.2 Aerodrome .............................................................................................. 7 4. STAKEHOLDER CONSULTATION ......................................................................... 12 4.1 Internal .................................................................................................. 12 4.2 Aerodrome Operator ............................................................................. 12 4.3 Passenger Transport Operators............................................................ 12 4.4 Military................................................................................................... 13 4.5 Airservices Australia.............................................................................. 13 5. SUMMARY OF INCIDENTS AND ACCIDENTS .......................................................... 14 6. MODELLING METHODOLOGY AND RISK ASSESSMENT .......................................... 15 6.1 Methodology Outline ............................................................................. 15 6.2 Airspace Risk Assessment.................................................................... 15 7. FINDINGS ........................................................................................................ 21 8. RECOMMENDATIONS ........................................................................................ 21 Annex A – Acronyms..................................................................................... 23 Annex B – Australian Airspace Structure ...................................................... 25 Annex C – Stakeholder input provided by: .................................................... 26 Annex D – Aerodrome Operator Data ........................................................... 27 Annex E – Airservices Australia Data............................................................ 28 Annex F – BITRE Data.................................................................................. 31 Annex G – ATSB Data .................................................................................. 33 Annex H – Jetstar information flyers ............................................................. 36 Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 4 of 39 1. Introduction 1.1 Overview of Australian Airspace The Office of Airspace Regulation (OAR)1 within the Civil Aviation Safety Authority (CASA) has sole carriage of the regulation of Australian-administered airspace, in accordance with section 11 of the Airspace Act 2007 (Act). Section 12 of the Act requires CASA to foster both the efficient use of Australian-administered airspace and equitable access to that airspace for all users. CASA must also take into account the capacity of Australian-administered airspace to accommodate changes to its use. In line with the International Civil Aviation Organization (ICAO) Annex 11 and as described in the Australian Airspace Policy Statement (AAPS), Australian airspace is classified as Class A, C, D, E and G depending on the level of service required to manage traffic safely and effectively. Class B and F are not currently used in Australia. The classification determines the category of flights permitted and the level of air traffic services (ATS) provided. Annex B provides details of the classes of airspace used in Australia. Within this classification system aerodromes are either controlled (i.e. Class C or Class D) or non-controlled. Non-controlled aerodromes in Australia are subject to either Common Traffic Area Frequency (CTAF) or designated CTAF (radio required) (CTAF(R)) procedures; the latter requiring all aircraft operating at the aerodrome to be equipped with a serviceable Very High Frequency (VHF) radio. 1.2 Purpose The purpose of this Airspace Review was to conduct a risk assessment of the airspace within the vicinity of Hamilton Island, Queensland. The review forms part of the OAR Work Program as required by the Act. 1.3 Scope The scope of the review includes identification and consultation with stakeholders to gather necessary data and information related to airspace issues around the Hamilton Island aerodrome. As a minimum this includes consultation with regular passenger transport operators, charter aircraft of non-freight carrying operations, flying training schools, military operators, emergency services operators and the aerodrome operator. The scope of this review is not intended to examine aerodrome facilities and infrastructure issues unless any weakness or failings in these areas have a significant impact on the safety of airspace operations the vicinity of Hamilton Island. 1 A full list of acronyms used within this report can be found at Annex A Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 5 of 39 1.4 Objective The objective of this Review is to examine the airspace around Hamilton Island aerodrome to determine the appropriateness of the current airspace classification and the level of aviation services provided. This was accomplished by: a. Analyses of current traffic levels and mix of aircraft operations within the existing airspace in relation to the level of services provided; b. Identifying any threats to the operations, focussing as a priority on the safety and protection of Passenger Transport Services (PTS); c. Identifying appropriate and acceptable risk mitigators to the known threats; d. Carrying out a qualitative and quantitative risk assessment of the current airspace environment and the expected impact of any changes; e. Investigating through stakeholder consultation, the appropriateness of the current airspace classification, access issues, expected changes to the current traffic levels and mix of aircraft operations within the existing airspace. f. Reviewing extant Aeronautical Information Publications (AIP) entries for applicability; g. Ensuring that the issues are passed onto the relative stakeholder group for their consideration; and h. Providing assurance to the Group General Manager (GGM) OAR of the levels of airspace risk associated with Hamilton Island. The review will provide guidance to OAR management on the requirements for an Aeronautical Study. Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 6 of 39 2. Airspace During hours of tower operation, the airspace within 22 nautical miles (nm) of the Hamilton Island aerodrome (hereafter referred to as “Hamilton Island”) is predominately controlled airspace, (either Class C or Class D) from the surface (SFC) to Flight Level (FL) 180. Class A airspace exists above FL180. Outside 9nm to the east of Hamilton Island, Class G (i.e. uncontrolled airspace) exists from the surface to 8,500 feet (ft) Above Mean Sea Level (AMSL). Class E airspace exists from 8,500ft AMSL to FL180. Class A airspace exists above FL180. Outside 6nm to the west of Hamilton Island, Class G airspace exists from the surface to 4,500ft AMSL. Class C airspace exists between 4,500ft AMSL and FL180. Class A airspace exists above FL180. Outside tower hours, Class D airspace below 4,500ft AMSL is reclassified as Class G (i.e. uncontrolled) airspace. Outside tower hours, CTAF(R) procedures apply at the aerodrome. Figure 1: Extract from the Mackay / Whitsunday Visual Terminal Chart (VTC) showing the area around Hamilton Island and Proserpine aerodromes. Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 7 of 39 3. Aerodrome and Infrastructure 3.1 Background Hamilton Island is a certified aerodrome, owned and operated by Great Barrier Reef Airport Pty Ltd. It is located adjacent to the Hamilton Island resort, and constructed on mostly reclaimed land. The aerodrome has an elevation of 15ft. The aerodrome offers direct services, daily through Jetstar Airways (Airbus A320), Virgin Blue Airlines (Boeing 737) and QantasLink Airways (Dash 8) to all major cities on the east coast of Australia. The aerodrome has a control tower with operating hours as specified in the En Route Supplement of Australia (ERSA) or by a Notice To Airmen (NOTAM). Figure 2: Diagram of Hamilton Island aerodrome (from the Departure and Approach Procedures (DAP) Chart – effective 30 August 2007) 3.2 Aerodrome 3.2.1. Runways Hamilton Island has one runway (designated as 14/32). It is 1764 metres long, 45 metres wide and has a grooved, bitumen surface. The pavement strength is suitable for operations by medium sized aircraft (Airbus A320; Boeing 737 and Dash 8). Aerodrome lighting is available with prior notification to the aerodrome operator. The lighting system activates the white runway lights; the blue taxiway lights and illuminates the wind direction indicators. Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 8 of 39 3.2.2. Aprons and Taxiways Hamilton Island has one main apron, located in front of the terminal building and a number of secondary parking areas. The aerodrome has a network of five taxiways (designated as Alpha; Bravo; Charlie; Delta and Echo). Taxiways Alpha and Bravo lead directly from the runway to the main terminal apron. Taxiway Echo leads to a separate apron referred to as the northern apron or area Echo. Figure 3: Diagram of Hamilton Island aerodrome depicting apron, terminal building and taxiway network (from the DAP Chart – effective 30 August 2007) The taxiway network has a number of limitations. Taxiway Charlie is not available to aircraft above 5,700 kilograms (kg) Maximum Take Off Weight (MTOW). Taxiway Delta is not available to aircraft above 36,000 kg MTOW. Taxiway Echo is not available to aircraft with a wingspan greater than 15 metres. The absence of a full length, parallel taxiway results in traffic entering and backtracking the runway prior to departure (if using runway 32) and to backtrack after landing (if using runway 14). A Passenger Transport (PT) aircraft may occupy the runway for up to 4 minutes whilst it backtracks and prepares to take-off. Turning nodes are provided at each threshold, and must be used by aircraft over 23,000kg MTOW. 3.2.3. Automatic Weather Information Service Current meteorological information can be obtained through the Automated Weather Information System (AWIS). The AWIS information can be acquired by telephoning the service on: 07 4946 9043. 3.2.4. Navigational Aids Hamilton Island is serviced by the following navigational aids (NavAids): • A Non-Directional Beacon (NDB). • A VHF Omni-Directional Radio Range (VOR). • A Distance Measuring Equipment (DME) system. The NDB is located on the aerodrome, on the western side of the runway. The VOR and DME are located on top of the hill, to the East of the aerodrome. Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 9 of 39 3.2.5. Landing Aids • Precision Approach Path Indicator (PAPI) system is installed on both sides of Runway 14 and Runway 32. • Two illuminated Wind Direction Indicators (WDI), located on the left hand side of the runway, adjacent to each threshold. • Numerous red beacons have been installed on surrounding hills and islands to warn pilots of high terrain. 3.2.6. Instrument Approaches • Runway aligned, NDB and Area Navigation (RNAV) Global Navigation Satellite System (GNSS) approaches are published for runway 14. • Non-runway aligned, VOR approaches are published for runway 14 and 32. • Non-runway aligned, Area Navigation (RNAV) Global Navigation Satellite System (GNSS) approach is published for runway 32. • Circling instrument approaches are also published for DME and Global Positioning System (GPS) arrivals. 3.2.7. Radio Communications / Facilities The Hamilton Island tower utilises the radio frequency of 118.7 megaHertz (MHz). The frequency of 127.85 MHz is used outside tower hours to facilitate CTAF (R) procedures at the aerodrome. The current operational hours for the tower are 2300-0000 and 0100 - 0515 Coordinated Universal Time (UTC) daily. The UTC time equates to 0900 – 1000 and 1100 –1515 (Local time). The air traffic services / flight information area frequency of 135.5 MHz can be received on the ground and in the circuit, outside tower hours. An Automatic Terminal Information Service (ATIS) is broadcast on the frequency 114.4 MHz. 3.2.8. Improvements / Developments The aerodrome operator has stated that there are no plans for any major works or for an increase in capacity at the aerodrome, as the current economic crisis has resulted in a small drop in passenger numbers. 3.2.9. Local Traffic Regulations • Right hand circuits are required when operating on runway 14. • Due to pavement disturbance, aircraft above 23,000kg MTOW must use runway turning nodes for 180 degree turns, unless directed by air traffic control. • Transient yacht masts may infringe both runway approach slope clearances. • Training approval must be gained for operations during tower hours. • Parachute operations take place within 5 nm of the island, up to 10,000 ft AMSL. • Skeet shooting range adjacent to runway 32 threshold. • Bird hazard exists. Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 10 of 39 3.2.10. Radar Coverage and Surveillance The OAR investigated the level of radar coverage surrounding Hamilton Island and the option of classifying the airspace as Class E. Radar coverage below 3,000 ft AMSL is not adequate to provide the necessary level of surveillance required. The installation of additional infrastructure or technologies – such as “Multi-Lateration” stations or ADS-B, would be required before Class E airspace could be classified and introduced to the circuit height at Hamilton Island. Figure 4: Diagram showing radar coverage at 2,000 feet AMSL surrounding Hamilton Island 3.2.11. Additional aerodromes and helipads There are numerous helicopter landing areas (helipads) within the Whitsunday islands, many of which service island resorts. Some of the resorts with helipads, within 20 nm of Hamilton Island are: • South Mole island • Daydream Island • Hayman Island • Happy Bay (Long Island) • Edward Island • Lindeman Island There are two aerodromes within 20 nm of Hamilton Island. These are: • Shute Harbour / Whitsunday (Airlie Beach). • Lindeman Island. Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 11 of 39 The Shute Harbour / Whitsunday aerodrome is an uncertified aerodrome, operated by the Whitsunday Airport Service. The aerodrome has one runway (designated as 14/32) which is 1100 metres long, and has an unrated, grass/gravel surface. The aerodrome is not serviced by any land based navigational aids. Aerodrome lighting is not available. During hours that Hamilton Island tower is active, the airspace around the Shute Harbour aerodrome is Class G from the surface to 1,500ft AMSL. Class D airspace exists between 1,500ft AMSL and 4,500ft AMSL. Class C airspace exists between 4,500ft AMSL and FL180. Class A airspace exists above FL180. Outside Hamilton Island tower hours, Class D airspace below 4,500ft AMSL is reclassified as Class G (i.e. uncontrolled) airspace. CTAF procedures are in operation at the aerodrome utilising the frequency 127.85 MHz. The aerodrome utilises an Aerodrome Frequency Response Unit (AFRU) which is also known as a "beepback" unit. The AFRU automatically responds to a radio broadcast to notify the pilot of the frequency used. The aerodrome has extensive ultralight and parachute operations. The Lindeman Island aerodrome is an uncertified aerodrome, operated by the Club Med Lindeman Island resort. The aerodrome has two runways. The main runway (designated as 18/36) is 1097 metres long, and has an unrated, grass surface. The second runway (designated as 13/31) is 680 metres long, and has an unrated, grass surface. The aerodrome is not serviced by any land based navigational aids. Aerodrome lighting is not available. The runways are not maintained and the aerodrome is not available to commercial aircraft. During hours that Hamilton Island tower is active, the airspace around Lindeman Island is Class D from the surface to 4,500ft AMSL. Class C airspace exists between 4,500ft AMSL and FL180. Class A airspace exists above FL180. Outside Hamilton Island tower hours, Class D airspace below 4,500ft AMSL is reclassified as Class G (i.e. uncontrolled) airspace. CTAF procedures are in operation at the aerodrome utilising the frequency 127.85 MHz. The Proserpine / Whitsunday Coast aerodrome is approximately 24 nm West South West of Hamilton Island. Whilst this is outside the scope of this review, the following details are included for completeness. The Proserpine/Whitsunday Coast aerodrome (hereafter referred to as “Proserpine”) is a certified aerodrome, operated by the Whitsunday Regional Council. The aerodrome has two runways. The main runway (designated as 11/29) is 2073 metres long, 45 metres wide and has a bitumen surface. The secondary runway (designated as 06/24) is 1100 metres long, 30 metres wide and has an unrated, bitumen surface. The runway 06/24 is not available to aircraft above 5,700 kg MTOW. Proserpine is serviced by NDB, VOR and DME Navigational Aids. An AWIS is available by telephoning 07 4945 5938 or via the radio on frequency 126.25 MHz. Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 12 of 39 Pilot Activated Lighting is available on frequency 120.6 MHz. A PAPI system is installed for use on the 11/29 runway. Lighting is not available on runway 06/24. The airspace around Proserpine is Class G from the surface to 4,500ft AMSL. Class C airspace exists between 4,500ft AMSL and FL180. Class A airspace exists above FL180. CTAF (R) procedures are in operation at the aerodrome. The aerodrome utilises an Aerodrome Frequency Response Unit (AFRU) which is also known as a "beepback" unit. The AFRU automatically responds to a radio broadcast to notify the pilot of the frequency used. The aerodrome is serviced by Virgin Blue Airlines and Jetstar Airways, with daily flights to Brisbane. 4. Stakeholder Consultation OAR representatives sought input from a number of stakeholders who operate in and around Hamilton Island aerodrome. Stakeholder interviews were conducted over the period of April and May 2009. 4.1 Internal CASA employs Aviation Safety Advisors (ASA) throughout Australia as an integral mechanism for providing safety promotion and educational material to the various industry segments. CASA Aviation Safety Advisors liaise with local operators, and discuss airspace issues. Feedback from the Aviation Safety Advisors is included in this report. 4.2 Aerodrome Operator The operator has reported that Jetstar has recently dropped one of its two daily flights to Sydney. Jetstar have also recently dropped its flights to Melbourne on Tuesdays and Wednesdays. It is understood that Virgin Blue will pick up one of these flights. Virgin Blue plan to commence a daily flight to Sydney from the 4th July this year. The operator has no plans for any major works or to increase the capacity of the aerodrome, due to the current economic crisis, which has resulted in a small drop in passenger numbers. 4.3 Passenger Transport Operators OAR representatives sought input from the Passenger Transport (PT) operators who operate in and around Hamilton Island aerodrome. Stakeholder interviews were conducted over the period of April and May 2009. 4.3.1 VIRGIN BLUE AIRLINES The controlled airspace in and around Hamilton Island is adequate for the company’s operations. The airline is satisfied with the facilities provided by the Great Barrier Reef Airport Pty Ltd. Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 13 of 39 4.3.2 JETSTAR AIRWAYS The company are satisfied with the ground facilities at the aerodrome (taxiways / apron / NavAids) and understand limitations due to the confined area available. The company raised a number of traffic management issues and have implemented a few company procedures to manage these: • DME arrival from the South: Flights have planned for a DME arrival for a circling approach to runway 14 and at times the cloud base was lower than advertised. The resulting low level circling lead to some Ground Proximity Warning System (GPWS) alerts. The company therefore only descend to 3,000ft on this DME arrival. If not visual by 3,000ft the flight would continue overhead the aerodrome, for the VOR approach. • Dent Island: Jetstar have included information in their route manual to avoid Dent Island whilst in the circuit area of Hamilton Island. • Yacht masts: The masts of transient yachts infringe the approach slope clearance for runways 14/32 which has resulted in aircraft conducting missed approaches. Jetstar have worked with the yacht club to educate sailors on the effects of their masts being inside the approach splay and the effects of wake turbulence/jet blast on them. An information pack has been developed and is available at the yacht club. A selection of Jetstar Airlines information flyers are attached in Annex H. 4.3.3 QANTASLINK The airline is satisfied with the airspace surrounding Hamilton Island. They experience some frustration with regard to the operating times of the tower, but understand the hours are linked to the ferry service timetable to the mainland. The morning flight to and from Cairns operates prior to the Hamilton Island tower opening. 4.3.4 OTHER AIRLINES A number of airlines are able to operate into Hamilton Island, but do not have regular flights. These airlines include: • Air National (New Zealand) • Alliance Airlines Pty Ltd • AirNorth • National Jet Systems Pty Ltd 4.4 Military The Military have no significant aviation activities at Hamilton Island. 4.5 Airservices Australia The only issue raised was the occasional yacht transiting in and out of the marina and the mast getting close to the aircraft approach paths. The situation is known to the Airservices Australia (Airservices) tower staff; the Hamilton Island Marina management and the airlines. It is being appropriately managed. The OAR was able to access the Electronic Safety Incident Reports (ESIR) held by Airservices and the records of flight information relating to Hamilton Island. Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 14 of 39 5. Summary of Incidents and Accidents 5.1 Electronic Safety Incident Reports During the 2008 calendar year, 49 Electronic Safety Incident Reports (ESIR) were submitted to Airservices for the airspace surrounding Hamilton Island. Of the reported incidents, five groups are related to airspace issues: Number of Type of Incident Incidents Violation of Controlled Airspace 16 Failure to comply with ATS instructions or procedures 8 TCAS Resolution 3* Go around 3 Runway Incursion 2 Loss of Separation Assurance 1 Table 1: Breakdown of ESIRs at Hamilton Island (1st January 2008 – 31st December 2008) *Note: Seven “Traffic Alert and Collision Avoidance System (TCAS) Resolution” reports were recorded which included duplicate reports (multiple entries) of the same incident. 26 of the 49 incidents relate to failure of the pilot to comply with instructions or procedures (Violation of Controlled Airspace/ Runway Incursion/ Failure to comply with ATS instructions or procedures). While this represents over half of all of the incidents reported, it should be noted that 49 reported incidents equates to 0.37% of the total movements into Hamilton Island. Three go-around (missed approaches) were recorded during the 2008 calendar year. Two were initiated due to wind sheer and one was due to the mast of a transient yacht infringing the approach slope clearance for runway. Each incident has been investigated, or is currently being investigated by Airservices or CASA. In each case, the pilot in command will be contacted and educated regarding the correct procedures relating to the incident. 5.2 Air Safety Incident Reports All accidents and incidents involving Australian registered aircraft, or foreign aircraft in Australian airspace must be reported to the Australian Transport Safety Bureau (ATSB). The ATSB maintains its own database (Occurrence Analysis and Safety Information System) in which all reports assessed by the ATSB as an accident, incident or serious incident are recorded. Each individual report is known as an Air Safety Incident Report (ASIR) and for identification purposes is allocated its own serial number. During the calendar year, 34 Aviation Safety Incident Reports (ASIR) were submitted to the ATSB for the airspace surrounding Hamilton Island. Number of Type of Incident Incidents Violation of Controlled Airspace 19 Failure to comply with ATS instructions or procedures 4 Loss of Separation Assurance 1 Table 2: Breakdown of ASIRs at Hamilton Island (1st January 2008 – 31st December 2008) Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 15 of 39 The difference in numbers between ESIRs and ASIRs can be attributed to the different way in which incidents are categorised. For example: if a pilot is given a clearance to taxi to the runway holding point, but continues and takes off, the ESIR may classify the incident as a “Failure to comply with ATS instructions or procedures”, as this was the first error made. The ASIR may class the incident as a “Violation of Controlled Airspace”, as this was the end result of the error. A summary of the ASIRs can be found in Annex G. 6. Modelling Methodology and Risk Assessment 6.1 Methodology Outline The OAR used the Airspace Risk Model (ARM) to model the airspace surrounding the Hamilton Island aerodrome. The ARM and a FN-curve was developed by CASA and utilised by the OAR. CASA has developed ‘acceptable risk’ criteria with regard to the risk of midair conflicts within regional aerodrome terminal areas. The collision risk model, developed by CASA in 1996, is focused on a non-radar controlled terminal area model and no significant changes have been made since its development and presentation to the Review of the General Concept of Separation Panel, now the Separation and Airspace Safety Panel of the International Civil Aviation Organization (ICAO). This method includes the ARM, which is used to calculate benefits in terms of fatalities avoided by implementing safety measures. The ARM presumes that there is a ‘Potential Conflict Pair’, i.e. a pair of aircraft whose manoeuvres are such that if no intervening action is taken, the aircraft will reach a point where it will be too late to take evasive action and chance becomes the determining factor in whether the aircraft collide or not. This is called the Loss of Control point in this review. The ARM model is based on the Linear Criterion concept which stipulates that the frequency of an accident should be inversely proportional to its severity, i.e. an accident involving one fatality may happen ten times as often as an accident involving ten fatalities. 6.2 Airspace Risk Assessment 6.2.1. Assumptions The operational environment referred to in the model is controlled non-radar, Class D terminal area. It has a radius of 15 nautical miles and extends to 5,000 ft above ground level. 6.2.2. Summary of Movement Data A summary of aerodrome operator passenger movements is given in Table 1. Aircraft movement data and passenger movements in charter or private aircraft is not recorded by the airport operator. The total passenger numbers recorded by the aerodrome operator each year only represents those passengers that transit through the airport on RPT, this data being provided by the airlines on a monthly basis. Therefore the aerodrome operator passenger movement data is statistically similar to the Bureau of Infrastructure, Transport and Regional Economics (BITRE) data recorded for the same periods. Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 16 of 39 BITRE passenger movement and aircraft movement numbers summarised in Table 1 and 2 was sourced from their website2, an extract of which can be found at Annex F. This data is similar to the aerodrome operator data in that it only captures passenger and aircraft movement numbers from scheduled RPT services at the subject airport. As with the aerodrome operator it is not thought that this data accurately takes into account private or charter passenger aircraft movements. Airservices data was sourced using their Aerodrome Research Application (ARA) tool. Detailed ARA data for the 12 months ending October 2008 can be found at Annex E. The ARA data differs from the previously mentioned sources in that it generally involves a more comprehensive data gathering process that includes assessment and use of BITRE data. ARA data captures passenger and traffic movements involved in private and charter flights, plus includes circuit movements in the overall movement totals. Year Year Year Year Year Data Source 2003/04 2004/05 2005/06 2006/07 2007/08 Aerodrome Operator 343,277 365,009 443,143 476,917 473,611 % growth on 21.06% 6.33% 21.41% 7.62% -0.69% previous year BITRE 338,978 357,370 432,051 465,941 463,845 % growth on 20.43% 5.43% 20.90% 7.84% -0.45% previous year Airservices - - - - 452,452 Australia Table 3: Passenger numbers for Hamilton Island – previous 5 years. Year Year Year Year Year Data Source 2003/04 2004/05 2005/06 2006/07 2007/08 BITRE 4,798 3,982 4,723 4,605 4,372 % growth on previous 14.98% -17.01% 18.61% -2.50% -5.06% year Airservices - - - - 6,681 Australia Table 4: Passenger Transport Service movements for Hamilton Island – previous 5 years. The above Table 3 and Table 4 show clearly that passenger numbers remain steady whilst the PTS movements have declined. The average number of passengers per PTS movement has increased from approximately 70.6 in 2003/04 to 106.1 in 2007/08, indicating that the capacity of aircraft flying into Hamilton Island has increased. For the purpose of this review the Airservices data set for the 12 months up to October 2008 has been used, as it more accurately represents the true total air transport service movements inclusive of circuits. 2 To view http://www.bitre.gov.au/publications/91/Files/Airport%20traffic%20tables%20Web.xls Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 17 of 39 6.2.3. Estimated Traffic Mix A brief summary of the estimated traffic mix utilising Airservices data at Hamilton Island is shown in Table 5. The data differentiates between VFR flights and those conducted under Instrument Flight Rules (IFR). No of % of Traffic Type movements movements VFR Light 6,225 47.30% IFR Light 2,708 20.58% IFR Medium 203 1.54% IFR Heavy 4,024 30.58% Total 13,160 100.00% Table 5: Traffic mix for Hamilton Island aerodrome Traffic Mix for Hamilton Island VFR IFR - L IFR - M IFR - H Figure 5: Graphical breakdown of traffic mix at Hamilton Island aerodrome As can be seen from Table 5 and Figure 5 the majority of aircraft movements are by VFR aircraft with IFR light and medium aircraft. Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 18 of 39 6.2.4. Collision pairs were calculated applying the CASA collision formula Conflict pairs were grouped into 16 categories and are listed in Table 6: Collision Collision Types Pairs VFR - VFR 45 IFR( L) - VFR 17 IFR(L) - IFR(L) in VMC 7 IFR(L) - IFR(L) in IMC 2 IFR (M) - VFR 1 IFR(M) - IFR(L) in VMC 0 IFR(M) - IFR(L) in IMC 0 IFR(M) -IFR(M) in VMC 0 IFR(M) -IFR(M) in IMC 0 IFR(H) - VFR 26 IFR(H) - IFR(L) in VMC 9 IFR(H) - IFR(L) in IMC 2 IFR(H) - IFR(M) in VMC 1 IFR(H) - IFR(M) in IMC 0 IFR(H) - IFR(H) in VMC 15 IFR(H) - IFR(H) in IMC 4 Table 6: Estimated collision pairs for Hamilton Island VFR including gliders and helicopters IFR (L) = IFR Light - less than 10 passengers IFR (M) = IFR Medium - 10 to 38 passengers IFR (H) = IFR High - more than 38 passengers The conflict pairs were grouped in proportion to traffic and in addition the following assumptions were made: • Factor up like pairs by 1½ • Factor down unlike pairs by ⅔ • IFR-IFR pairs are 80% in VMC and 20% in IMC • In total 129 collision pairs were estimated. 6.2.5. Evaluation of Airspace Models and Data Analysis Results Annualised total traffic movement data was applied to the ARM developed by CASA. The results are shown in Figure 6 – Risk Model. The following scenarios were considered for Hamilton Island: • CTAF (R) procedures (pink line) • Class D tower (blue line) Class E airspace was not considered because of the higher Class D classification that was in place. Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 19 of 39 The blue line represents a Class D tower service for Hamilton Island. This line is well below the scrutiny line and it is reasonable to assume that if all services applicable to a Class D tower are in place, that Hamilton Island can be considered to be as low as reasonably practicable (ALARP). Therefore the risks associated with Hamilton Island are tolerable. It should be noted that CTAF(R) procedures are in place at Hamilton Island during periods of reduced RPT activity. During periods of decreased activity, the CTAF(R) procedures offer adequate safety mitigation measures for the aerodrome. The modelling results estimate that with a Class D tower service approximately, 0.006549 fatalities per annum can be expected. In addition, it is estimated that Hamilton Island has a likelihood of having one midair collision approximately every 10,707 years with an estimate of 70 fatalities. Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 20 of 39 Acceptable Risk Hamilton Island Criteria 1 1 0.1 0.01 0.1 0.001 0.0001 0.00001 0.000001 0.01 Annual Frequency of N or More Fatalities (Likelihood) 0.001 Intolerable Risk Line 0.0001 Scrutiny Risk Line 0.00001 0.000001 Middle ALARP Line 0.0000001 Acceptable Risk Line 1 10 100 1000 Fatalities (Consequence) D Tower CTAF(R) Figure 6: Results of the Airspace Risk Model for Hamilton Island Note: The Scrutiny Line for CTAF(R) procedures depicted in Figure 6 assumes that CTAF (R) procedures are in place 24 hours a day. Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 21 of 39 7. Findings 7.1 Feedback from the RPT stakeholders was positive toward the facilities and airspace architecture. 7.2 The application of the Airspace Risk Model (ARM) revealed that the current situation lies close to the ‘as low as reasonably practicable’ (ALARP) region and that Class D airspace (and CTAF (R) procedures outside tower hours), should be the minimum service level maintained at the Hamilton Island aerodrome. 7.3 The introduction of Class E airspace to the circuit height is not acceptable with the current level of radar coverage. The installation of additional infrastructure or technologies would be required before Class E airspace can be lowered to the circuit height. 8. Recommendations 8.1 The report makes the following recommendations: 1. Based on current aircraft movements, no change be made to the airspace structure surrounding Hamilton Island. 2. The OAR maintain a watch of activity at Hamilton Island aerodrome during the bi-annual review of movement data, and, if total aircraft movements significantly increase, or after five years, whichever occurs first, an aeronautical study should be conducted to reassess the risk to passenger transport operations. Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 22 of 39 Annexes: A. Acronyms B. Australian Airspace Structure C. Stakeholders D. Aerodrome Operator Data E. Airspace Research Application (ARA) Data F. Bureau of Infrastructure Transport and Regional Economics (BITRE) Data G. Australian Transport Safety Bureau (ATSB) Data H. Jetstar Airlines information flyers Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 23 of 39 Annex A – Acronyms AAPS Australian Airspace Policy Statement, 28 June 2007 ACAS Airborne Collision Avoidance System ACP Airspace Change Proposal Act Australian Airspace Act 2007 AIP Aeronautical Information Publication AIRPROX Close proximity event between two aircraft Airservices Airservices Australia ALARP As Low As Reasonably Practicable AMSL Above Mean Sea Level (in feet) ARA Airspace Research Application ARM Airspace Risk Model ASA Aviation Safety Advisor (CASA) ASIR Aviation Safety Incident Report ATC Air Traffic Control ATI Air Transport Inspector ATIS Aerodrome Terminal Information Service ATOG Air Transport Operations Group (CASA) ATS Air Traffic Services ATSB Australian Transport Safety Bureau AWIS Automatic Weather Information Service BITRE Bureau of Infrastructure, Transport and Regional Economics (Department) CAR Civil Aviation Regulations 1988 CASA Civil Aviation Safety Authority CASR Civil Aviation Safety Regulations 1998 CBA Cost Benefit Analysis CBS Checked Baggage Screening CHTR Charter CTAF Common Traffic Advisory Frequency CTAF(R) Common Traffic Advisory Frequency (Radio Required) CTA Controlled Airspace CTR Control Zone DA Danger Area DAP Departure and Approach Procedures (AIP) DCEO Deputy Chief Executive Officer Defence Department of Defence DME Distance Measuring Equipment ERSA En Route Supplement of Australia ESIR Electronic Safety Incident Report FIDS Flight Information Display System FIR Flight Information Region FIS Flight Information Service FL Flight Level FN Curve Frequency /Severity Risk Curve FOI Flying Operations Inspector ft Feet GA General Aviation GAAP General Aviation Aerodrome Procedures GAOG General Aviation Operations Group (CASA) Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 24 of 39 GGM Group General Manager GNSS Global Navigation Satellite System (Navigational Aid) GPS Global Positioning System GPWS Ground Proximity Warning System IAS Indicated Airspeed ICAO International Civil Aviation Organization IFR Instrument Flight Rules IFR (H) IFR Heavy - more than 38 passengers IFR (L) IFR Light - less than 10 passengers IFR (M) IFR Medium - 10 to 38 passengers IMC Instrument Meteorological Conditions kg kilograms kts knots ( nautical miles per hour) MAC Mid-Air Collision MBZ Mandatory Broadcast Zone MHz megaHertz MOS Manual of Standards MTOW Maximum Take Off Weight NavAid Navigational Aid NDB Non-Directional Beacon (Navigational Aid) nm nautical miles NOTAM Notice to Airmen OAR Office of Airspace Regulation (CASA) OCTA Outside of Controlled Airspace PA Prohibited Area PAL Pilot Activated Lighting PAPI Precision Approach Path Indicator PT Passenger Transport PTS Passenger Transport Service QNH An altimeter subscale setting to obtain elevation or altitude R/T Radio Telephony RA Restricted Area REX Regional Express Airlines RGCSP Review of the General Concept of Separation Panel RIS Radar Information Service RNAV Area Navigation RPT Regular Public Transport RWY Runway SAR Search and Rescue SFC Surface SVFR Special Visual Flight Rules TCAS Traffic Alert and Collision Avoidance System, a type of ACAS TWR Tower VFR Visual Flight Rules VHF Very High Frequency (radio) VIS Visibility VMC Visual Meteorological Conditions VOR Very High Frequency (VHF) Omni-directional Radio Range VTC Visual Terminal Chart (AIP) WDI Wind Direction Indicator Airspace Review – Hamilton Island (YBHM) – May 2009 Final
Office of Airspace Regulation Page 25 of 39 Annex B – Australian Airspace Structure Class Description Services/Procedures/Rules All airspace above Fight Level IFR only, all separated by Air Traffic Control (ATC), no speed limitation, continuous two-way radio required. A (FL) 180 (East Coast) or Clearance required from ATC to enter airspace. FL245 B Not currently used in Australia IFR separated from IFR, VFR and Special VFR (SVFR) by ATC, no speed limitation for IFR operations, continuous two-way radio required. Clearance required from ATC to enter airspace. In control zones (CTRs) of VFR receives traffic information on other VFR but not separated from each other by ATC. Speed limited to defined dimensions and 250knots (kts) Indicated Air Speed (IAS) below 10,000ft AMSL*, continuous two-way radio required. Clearance C control area steps associated required from ATC to enter airspace. with controlled aerodromes Special VFR separated from Special VFR when visibility (VIS) is less than VMC. Speed limited to 250kts IAS below 10,000ft AMSL*, continuous two-way radio required. Clearance required from ATC to enter airspace. Transponder required within radar coverage. IFR separated from IFR and Special VFR. Traffic information provided on all VFR. Speed limited to 250kts IAS below 10,000ft AMSL*, continuous two-way radio required. Clearance required from ATC to enter airspace. Regional locations such as VFR receives traffic on all other aircraft but not separated by ATC. Speed limited to 250kts IAS below 10,000ft D Hobart and Alice Springs AMSL*, continuous two-way radio required. Clearance required from ATC to enter airspace. Special VFR separated from Special VFR when VIS is less than VMC. Speed limited to 250kts IAS below 10,000ft AMSL*, continuous two-way radio required. Clearance required from ATC to enter airspace. GAAP: • In VMC all operations are VFR, traffic information only. Speed limited to 250kts IAS, continuous two-way radio required. Clearance required from ATC to enter airspace. D High density General Aviation • In IMC, IFR separated from all traffic. Speed limited to 250kts IAS, continuous two-way radio required. Clearance (GAAP) aerodromes required from ATC to enter airspace. • Special VFR separated from Special VFR when VIS is less than VMC. Speed limited to 250kts IAS, continuous two-way radio required. Clearance required from ATC to enter airspace. IFR separated from IFR by ATC, traffic information on known VFR. Speed limited to 250kts IAS below 10,000ft Controlled airspace not AMSL*, continuous two-way radio required. Clearance required from ATC to enter airspace. covered in classifications VFR provided with Flight Information Service (FIS), search and rescue (SAR), weather update service, on request, E above (above 8,500ft or within radar coverage and workload permitting. Speed limited to 250kts IAS below 10,000ft AMSL*, continuous FL180) two-way radio required. Clearance from ATC to enter airspace not required. Transponder required for VFR aircraft with continuous electrical power F Not currently used in Australia IFR receives FIS on IFR and known VFR traffic. Speed limited to 250kts IAS below 10,000ft AMSL*, continuous two-way radio required. Clearance from ATC to enter airspace not required. VFR provided with FIS, SAR, weather update service and Radar Information Service (RIS) subject to availability. G Non-controlled Speed limited to 250kts IAS below 10,000ft AMSL*. Clearance to enter airspace from ATC not required. VHF radio required above 5,000ft AMSL and at aerodromes where carriage and use of radio is required. VHF radio for operations in VMC. * Not applicable to military aircraft Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Annex C – Stakeholder input provided by: Position Organisation Aerodrome Manager Great Barrier Reef Airport Pty Ltd (Aerodrome Operator) Aerodrome and Airways Manager Jetstar Airways Manager Regulatory Affairs QantasLink Airways E-Jet Fleet Standards Manager Virgin Blue Airlines Information and Co-ordination Officer Australian Transport Safety Bureau Senior Defence Advisor Department of Defence Regulatory Services Manager Airservices Australia Aviation Safety Advisor (ASA) Deputy Chief Executive Officer, Operations, CASA Flying Operations Inspector (FOI) General Aviation Operations Group, CASA Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 27 of 39 Annex D – Aerodrome Operator Data 2003 / 2004 2004 / 2005 2005 / 2006 2006 / 2007 2007 / 2008 ARRIVALS DEPARTURES ARRIVALS DEPARTURES ARRIVALS DEPARTURES ARRIVALS DEPARTURES ARRIVALS DEPARTURES July 12,696 13,307 14,421 15,322 16,443 17,418 20,763 22,017 19,174 20,275 August 14,720 14,498 15,971 15,281 17,556 17,466 19,930 19,339 21,213 20,256 September 16,862 15,358 18,564 17,142 20,989 18,948 23,692 22,126 23,684 22,807 October 17,221 18,669 19,346 20,590 22,139 23,340 24,429 25,478 24,445 25,560 November 15,801 16,081 15,543 16,195 19,605 20,099 21,681 22,148 22,481 22,618 December 15,679 13,863 16,152 14,002 20,061 17,942 20,982 19,500 21,334 20,171 January 16,182 18,987 15,857 18,274 21,329 24,435 20,724 23,899 19,716 22,921 February 11,005 11,422 11,462 11,347 14,449 14,355 15,400 15,021 15,431 15,410 March 12,801 12,686 15,361 14,422 17,770 17,452 18,665 18,443 19,667 19,248 April 14,257 14,297 14,899 15,127 19,927 20,052 18,802 19,355 18,162 18,623 May 10,922 11,381 11,971 12,928 14,990 15,648 15,737 15,826 15,328 16,106 June 12,746 11,836 13,339 11,493 16,124 14,606 16,648 16,312 15,130 13,851 Sub Total 170,892 172,385 182,886 182,123 221,382 221,761 237,453 239,464 235,765 237,846 Total Movements 343,277 365,009 443,143 476,917 473,611 Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 28 of 39 Annex E – Airservices Australia Data Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 29 of 39 Annex E – Airservices Australia Data (Continued) Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 30 of 39 Annex E – Airservices Australia Data (Continued) Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 31 of 39 Annex F – BITRE Data Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 32 of 39 Annex F – BITRE Data (Continued) HAMILTON ISLAND 500 450 Total Revenue Passengers 400 350 300 (thousand) 250 200 150 100 50 0 1997- 1998- 1999- 2000- 2001- 2002- 2003- 2004- 2005- 2006- 2007- 98 99 00 01 02 03 04 05 06 07 08 Financial Year Passenger numbers 1997 - 2008 HAMILTON ISLAND 6,000 Total Aircraft Movements 5,000 4,000 3,000 2,000 1,000 0 1997- 1998- 1999- 2000- 2001- 2002- 2003- 2004- 2005- 2006- 2007- 98 99 00 01 02 03 04 05 06 07 08 Financial Year Air Transport movements 1997 - 2008 Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 33 of 39 Annex G – ATSB Data ATSB Occurrence Airspace Airspace Aircraft Reference ATSB Summary Incident Type Date Type Class Model Number 200800128 04-Jan-08 CTR D Vehicle A vehicle entered the runway without a clearance. Failure to comply with ATS instructions 200800494 03-Feb-08 CTR D R44 II The helicopter became airborne from the apron without a clearance. Violation of Controlled Airspace 200800781 07-Feb-08 CTR D A320-232 During the landing roll, the aircraft struck a duck. Birdstrike On opening of the tower, multiple failures of tower equipment was 200803279 10-Feb-08 CTR D n/a Information Delivery/Display Error observed. Just prior to commencing an instrument approach, the crew noticed that the number one primary flight display showed an incorrect IAS. 200800951 16-Feb-08 CTA C A320-232 Misc. The instrument was restored using an alternate source and the aircraft landed safely. The helicopter entered the CTR without a clearance and was first 200801104 21-Feb-08 CTR D R44 II noticed on short final by the tower controller. No broadcasts or other Violation of Controlled Airspace calls were made by the pilot. The aircraft entered the CTR without a clearance and the pilot 200801497 08-Mar-08 CTR D R44 II Violation of Controlled Airspace contacted ATC when on final approach to runway 14. 200801665 13-Mar-08 CTR D Vehicle A line-marking vehicle entered runway 14 without a clearance. Failure to comply with ATS instructions The Hamilton Island PAPI (Precision Approach Path Indicator) failed 200801786 15-Mar-08 CTR C A320-232 while the aircraft was on final. The crew conducted a visual Misc. approach. The aircraft was observed turning final as the pilot contacted the ADC to advise that they thought the aerodrome was operating as a 200801815 20-Mar-08 CTR D M20M Violation of Controlled Airspace CTAF. No other calls had been heard on the CTAF(R) or Hamilton Island tower frequencies from the pilot. After the pilot reported inbound on the CTAF frequency, the ADC 47G3B- 200802330 07-Apr-08 CTR D advised that the controlled airspace was active. The helicopter Violation of Controlled Airspace KH4 subsequently entered controlled airspace without a clearance. Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 34 of 39 DHC-2 200802611 19-Apr-08 CTR D The aircraft entered the CTR without a clearance. Violation of Controlled Airspace MK 1 The pilot commenced the take-off run on runway 14 without a 200803291 18-May-08 CTR D A36 Violation of Controlled Airspace clearance. During the landing roll on runway 14, the aircraft struck a magpie 200803437 22-May-08 CTR D A320-232 Birdstrike lark. During the landing roll, the aircraft struck a swallow that impacted 200803597 30-May-08 CTR D A320-232 Birdstrike the radome. PA-23- 200803600 02-Jun-08 CTR D During the take-off run, the aircraft struck a plover. Birdstrike 250 PA-32- The aircraft was observed by ATC to have joined a right circuit, 200803601 02-Jun-08 CTR D Failure to comply with ATS instructions 300 contrary to instructions. The pilot did not comply with the line up clearance and the aircraft 200803946 16-Jun-08 CTR D 208 Failure to comply with ATS instructions became airborne without a clearance. During the approach, the crew of an Airbus A320 reported receiving 200804029 18-Jun-08 CTA D A320-232 Loss of Separation Assurance a TCAS RA after a VFR aircraft passed below the A320. The aircraft entered controlled airspace before the pilot requested a 200804721 19-Jul-08 CTR D C130 Violation of Controlled Airspace clearance. 200804984 30-Jul-08 CTR D R44 II The helicopter was observed by ATC to take off without a clearance. Violation of Controlled Airspace The aircraft was observed by ATC to have commenced the take-off 200805168 10-Aug-08 CTR D 206L-3 Violation of Controlled Airspace run without a clearance. DHC-8- 200805210 13-Aug-08 CTR D During the initial climb, the aircraft struck a swallow. Birdstrike 315 The unidentified aircraft was observed by ATC to have entered 200805262 14-Aug-08 CTA D Unknown Violation of Controlled Airspace controlled airspace without a clearance. 200805287 15-Aug-08 CTR D R44 II The helicopter took off without a clearance. Violation of Controlled Airspace Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 35 of 39 The aircraft was observed by ATC to have entered controlled 200805444 21-Aug-08 CTR D 172M Violation of Controlled Airspace airspace without a clearance. 200805465 24-Aug-08 CTR D 206L-1 The helicopter was observed by ATC to take off without a clearance. Violation of Controlled Airspace On short final approach, the crew commenced a go-around due to a 200805578 26-Aug-08 CTR D A320-232 Go Around yacht moving through the undershoot area. The helicopter entered controlled airspace prior to requesting an 200805541 26-Aug-08 CTR D R44 II Violation of Controlled Airspace airways clearance. The helicopter was observed by ATC to have entered controlled 200805644 30-Aug-08 CTR D R44 II Violation of Controlled Airspace airspace and landed without a clearance. During the descent, the aircraft was cleared to 3,900 ft. The aircraft DHC-8- 200806011 13-Sep-08 CTA D was subsequently observed by ATC to have descended to 2,200 ft Failure to comply with ATS instructions 315 without a clearance. 47G3B- The helicopter was observed by ATC to have entered controlled 200806601 11-Oct-08 CTR D Violation of Controlled Airspace KH4 airspace without a clearance. While on descent, the pilot declared a PAN due to an engine 200807017 07-Nov-08 CTA C 182P Emergency Operations problem. The aircraft was landed at Shute Harbour. The aircraft was observed by ATC to have entered controlled 200807617 25-Nov-08 CTR D R44 II Violation of Controlled Airspace airspace without a clearance. DHC-8- During the landing roll, the aircraft struck a bird that impacted the 200807873 08-Dec-08 CTR D Birdstrike 402 left wing leading edge. Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 36 of 39 Annex H – Jetstar information flyers Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 37 of 39 Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 38 of 39 Airspace Review – Hamilton Island (YBHM) – July 2009 Final
Office of Airspace Regulation Page 39 of 39 Airspace Review – Hamilton Island (YBHM) – July 2009 Final
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